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Liquid Crystals and their Application
Russian Journal Zhidkie kristally i ikh prakticheskoe ispol'zovanie Жидкие кристаллы и их практическое использование |
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Zhidk. krist. ikh prakt. ispol'z. = Liq. Cryst. and their Appl., 2010, 4, 83—89. |
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Surface Orientation Change of Nematic Liquid Crystals Influenced by Electric Field and Linearly Polarized Light
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A. V. Dubtsov, S. V. Pasechnik, O. A. Kharlamova, I. D. Antipov
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Author affiliations
Moscow State University of Instrument Engineering and Computer Science
107996 Moscow, Stromynka, 20.
E-mail: dav.e@mail.ru
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Abstract
urface orientation change of nematic liquid crystals under the action of electric field and linearly polarized UV irradiation at different directions of the polarization plane is investigated. Surface orientation change was controlled by an observation of surface director position at photoaligned substrate. It was found that an increase of the angle between polarization plane direction and initial orientation of liquid crystal molecules resulted in slowing down of surface director dynamics.
Keywords: photoalignment, nematic liquid crystal, easy axis gliding, electric field, linearly polarized light, polarization plane
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